AP Chemistry Entropy and Gibbs Free Energy

Which of the following has a higher entropy?

• carbon monoxide

• carbon dioxide

which of the following is the correct formula for entropy change?

• entropy of product + entropy of reactant

• entropy of product - entropy of reactant

• - (entropy of product + entropy of reactant)

For a reaction to be spontaneous, the Gibbs free energy must be _______

• positive

• neutral

• negative

• zero

The reaction will be ________ if the enthalpy of reaction is positive and entropy is negative

• spontaneous

• non-spontaneous

The reaction will be ________ if the enthalpy of reaction is negative and entropy is positive

• spontaneous

• non spontaneous

The reaction is spontaneous if the entropy and enthalpy change are both positive at ________ temperature

• higher

• lower

The reaction is spontaneous if the entropy and enthalpy change are both negative at ________ temperature

• higher

• lower